EP0777067A1 - Pièce de liaison d'extrémité de câble - Google Patents

Pièce de liaison d'extrémité de câble Download PDF

Info

Publication number: EP0777067A1
Authority: EP; European Patent Office
Prior art keywords: wire rope; recess; connecting piece; diameter; rope end
Prior art date: 1996-03-18
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP96104267A

Other languages

German (de)

English (en)

Other versions

EP0777067B1 (fr

Inventor

Eduard Schneider

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Brugg Drahtseil AG

Original Assignee

Brugg Drahtseil AG

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1996-03-18

Filing date

1996-03-18

Publication date

1997-06-04

1996-03-18 Application filed by Brugg Drahtseil AG filed Critical Brugg Drahtseil AG

1996-03-18 Priority to EP96104267A priority Critical patent/EP0777067B1/fr

1996-03-18 Priority to AT96104267T priority patent/ATE154417T1/de

1996-03-18 Priority to ES96104267T priority patent/ES2102917T3/es

1996-03-18 Priority to DE59600004T priority patent/DE59600004D1/de

1997-06-04 Publication of EP0777067A1 publication Critical patent/EP0777067A1/fr

1997-06-11 Application granted granted Critical

1997-06-11 Publication of EP0777067B1 publication Critical patent/EP0777067B1/fr

2016-03-18 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Images

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
- F16G11/02—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with parts deformable to grip the cable or cables; Fastening means which engage a sleeve or the like fixed on the cable

Definitions

the invention relates to a metallic connector on a wire rope end for receiving tensile forces caused by longitudinal stresses in the wire rope with external dimensions in the direction transverse to the elongated axis of the wire rope end, which are substantially equal to the diameter of the wire rope, with the connector on the wire rope end facing Side with a recess for receiving the wire rope end and on its side facing away from the wire rope end with connecting means for releasably connecting the connecting piece with Means for absorbing tensile forces caused by longitudinal stresses in the wire rope is provided as well as a method for producing the connecting piece.
Connectors of this type include known from EP-A-0619443. They are mainly used in areas in which the connector and wire rope have to be pulled through bushings, girders, frames, etc., which are parts of railings, balustrades or fences, for example, through bushings with diameters that are almost the same as the wire rope diameter.
connecting pieces of the type mentioned at the outset In special cases of extremely high loads on wire ropes provided with connecting pieces of the type mentioned at the outset, such as occur, for example, in the event of sudden transverse loads on the wire ropes of a wire rope fence due to the impact of larger masses, connecting pieces of the type mentioned at the outset would have an approximate breaking load of the wire rope Appropriate breaking load of the connection point connecting piece wire rope is desirable, which in relation to the breaking load at this connection point significantly exceeds the known connecting pieces of the type mentioned at the outset. In this sense, in the case of the connector of the type mentioned at the beginning of EP-A-0672844, an attempt was made to butt-weld or hard-solder the wire end to the connector.
Connectors of this type have very high strengths directly at the welding or soldering point, but the welded or hard-soldered wire rope is annealed in the immediate vicinity of the welding or soldering point, so that immediately next to the welding or soldering point in a known manner a weak point of much lower strength than that of the welding or soldering point and in particular of much lower strength than that of the unannealed wires of the wire rope results and the connection point connector-wire rope due to this weak point adjacent to the welding or soldering point Wire rope then only has a much lower breaking load than other known connectors of the type mentioned.
the object underlying the invention was therefore to create a connector of the type mentioned at the end of a wire rope, which has a significantly increased breaking load compared to the known connectors of the type mentioned.
this is achieved with a connecting piece of the type mentioned at the end of a wire rope in that the connecting piece is plastically deformed at least in its area provided with the recess in such a way that the outer dimension of the connecting piece in this area transversely to the axis of the wire rope end as a result of the plastic deformation are reduced so far that they correspond to the diameter of the wire rope with a tolerance of less than 10%, and that the wall of the recess at least on a part of it Length due to the plastic deformation has a structure corresponding to the outer surface of the end of the wire rope received by the recess.
the main advantage of the present connecting piece at a wire rope end is that it has an extraordinarily high breaking force which comes close to the prescribed minimum rope breaking force, since the wall of the recess has a structure corresponding to the outer surface of the wire rope end received by the recess, and that it also withstands the high alternating bending stresses that occur with vibrations of the wire rope in the long term and, moreover, can be produced with only a few process steps and, accordingly, at low cost. Since the plastic deformation of the area provided with the recess results in an extension of the same by up to 25 to 50%, shorter connecting piece blanks can also be used in the production process, which leads to a lower material expenditure.
the wall of the recess has a structure corresponding to the outer surface of the wire rope end received by the recess over the major part of its length due to the plastic deformation.
the wall of the recess can bear largely positively on the outer surface of the wire rope end due to the plastic deformation. As a result, extremely high tensile forces can be transmitted from the end of the wire rope to the connecting piece.
the outer dimensions of the connecting piece can advantageously correspond to the diameter of the wire rope in the direction transverse to the elongated axis of the wire rope end with a tolerance of less than 8%, suitably less than 6% and preferably less than 4%.
the advantage of such a possible approximation of the diameters of the connecting piece and the wire rope to one another is an optimization of the mounting of the wire rope in bushings with an opening width corresponding almost to the wire rope diameter.
the connecting piece can expediently at least over the entire length of the recess and preferably also over at least part of a transition region between the part of the connecting piece provided with the recess and the connecting means mentioned be plastically deformed.
the plastic deformation can be determined from the fact that the crystal structure is distorted, for example, from the rectangular shape of the crystals in the direction of a parallelogram shape. As is known, these distortions in the crystal structure have the advantage of substantially increasing the strength of the plastically deformed regions.
the metal cross-section of the connecting piece at the point of its minimum should expediently be at least 90%, preferably above 95%, of the metal cross-section of the wire rope.
the cross-sectional parts must also be included, which result from the adaptation of the wall of the recess as a result of the plastic deformation to the structure of the outer surface of the wire rope end.
the advantage of the largest possible metal cross-section of the connector at the point of its minimum is the highest possible breaking strength at this point of the metal cross-section minimum, but of course the general requirement must be met that the diameter of the connector with a tolerance of less than 10% of the diameter of the Wire rope corresponds.
the minimum breaking strength of the connecting piece can advantageously be over 85%, expediently over 90% and preferably over 95% of the minimum breaking strength of the wire rope. This has the advantage that the breaking strength of the wire rope with the connector (s) at its wire rope ends is extraordinarily high and thus maximum protection against such a break is guaranteed.
the present connecting piece can be made of stainless steel, preferably of chrome-nickel steel, with particular advantage.
a particularly advantageous embodiment is characterized in that the stainless steel has a chromium content of 15 to 25% by weight, preferably 17 to 19% by weight, a nickel content of 5 to 15% by weight, preferably 8 to 11% by weight. , and has a sulfur content of less than 0.036% by weight, preferably in the range from 0.015 to 0.03% by weight, and preferably one or more further alloy components from the group consisting of silicon, manganese, molubdane and vanadium with contents in the range of 0.5 up to 5% by weight.
Such a stainless steel has the essential advantage of a particularly good plastic deformability with a relatively high strength, which increases even further due to the plastic deformation.
the diameter of the wire rope end received by the recess can advantageously be smaller than the diameter of the wire rope due to a reduced air volume per unit length, expediently over 5% and preferably over 10% smaller.
the reduction of Air volume within the wire rope end results during the plastic deformation of the wall of the recess receiving the wire rope end due to the lateral pressure exerted on the wire rope end during this plastic deformation and a corresponding yielding of the wires of the wire rope end at the locations of the air inclusions in the wire rope end.
the advantage of such a reduced diameter of the wire rope end is a correspondingly greater wall thickness of the wall of the recess receiving the wire rope end and thus a corresponding increase in the breaking force in these wall areas.
the recess can be provided with an extension of a smaller diameter than that of the end of the wire rope accommodated in the recess, after its part receiving the wire rope end.
This has the advantage of a continuous transition of the metal cross section of the connecting piece in this area to the metal cross section of the connecting piece in the area of the named connecting means.
the recess for receiving the end of the wire rope can expediently have a conical or hemispherical or ellipsoidal bottom.
the invention further relates to a method for producing a connecting piece of the type mentioned at the end of a wire rope, which is characterized in that that a connector blank made of low-sulfur chrome-nickel steel with outer dimensions transverse to its longitudinal axis of less than 150% of the wire rope diameter is used, which is provided on one side with a recess with a diameter approximately corresponding to the wire rope diameter and on the other Side has an area provided for connecting means with an approximate diameter corresponding to the wire rope diameter and between the area provided for the connecting means and the area provided with the recess has a transition area with a diameter that rises transversely to its longitudinal axis to the outer dimension of the blank, so that the end of the wire rope into the Recess is inserted and that the blank then by plastic deformation from the group kneading, rolling, rolling and hammering in the transition area and the area provided with the recess in its outer dimensions transverse to it Longitudinal axis is reduced to less than 110% of the wire rope diameter
a connector blank 1 and an end piece of a wire rope 2 are shown before they are combined to form a connector at one end of the wire rope.
the connecting piece blank 1 has an area 4 provided with a recess 3, an area provided for connecting means 5 for the releasable connection of the connecting piece with means for absorbing tensile forces caused by longitudinal stresses in the wire rope 6 and a transition area 7 between the area 6 provided for the connecting means 5 and the area 4 provided for the recess 3.
the named connecting means consist of a threaded bolt 5 with approximately the same outside diameter as the diameter of the wire cable 2.
the recess 3 consists of a bore 8 which is coaxial with the connecting piece blank 1 and has approximately the same diameter as that of the wire cable 2 at its opening advantageous for easy insertion of the end piece of the wire rope 2 into the recess 3 with a chamfer 9 and at the bottom of the bore with an extension 10 of the recess 3 of smaller diameter than that of the wire rope end 11 received in the recess 3.
the end piece of the wire rope 2 with its wire rope end 11 is inserted into the recess 3, as shown in FIG. 2.
the part of the end piece of the cable 2 received by the recess 3 is referred to as the cable end 11.
the connecting piece blank 1 is kneaded in its region 4 provided with the recess 3 and in the transition region 7 by so-called kneading a known device for plastic deformation plastically deformed such that in these areas 4 and 7, the outer dimensions of the connector blank 1 transverse to the axis 12 of the wire rope end 11 are reduced due to the plastic deformation until they are less than 10% correspond to the diameter of the wire rope 2 and preferably have the same diameter as the area 6 provided with the connecting means.

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Ropes Or Cables (AREA)
Laying Of Electric Cables Or Lines Outside (AREA)
Processing Of Terminals (AREA)
Cable Accessories (AREA)
Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Electric Cable Installation (AREA)

EP96104267A 1996-03-18 1996-03-18 Pièce de liaison d'extrémité de câble Expired - Lifetime EP0777067B1 (fr)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
EP96104267A EP0777067B1 (fr)	1996-03-18	1996-03-18	Pièce de liaison d'extrémité de câble
AT96104267T ATE154417T1 (de)	1996-03-18	1996-03-18	Verbindungsstück an einem drahtseilende
ES96104267T ES2102917T3 (es)	1996-03-18	1996-03-18	Pieza de union en el extremo de un cable de alambre.
DE59600004T DE59600004D1 (de)	1996-03-18	1996-03-18	Verbindungsstück an einem Drahtseilende

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP96104267A EP0777067B1 (fr)	1996-03-18	1996-03-18	Pièce de liaison d'extrémité de câble

Publications (2)

Publication Number	Publication Date
EP0777067A1 true EP0777067A1 (fr)	1997-06-04
EP0777067B1 EP0777067B1 (fr)	1997-06-11

Family

ID=8222570

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP96104267A Expired - Lifetime EP0777067B1 (fr)	1996-03-18	1996-03-18	Pièce de liaison d'extrémité de câble

Country Status (4)

Country	Link
EP (1)	EP0777067B1 (fr)
AT (1)	ATE154417T1 (fr)
DE (1)	DE59600004D1 (fr)
ES (1)	ES2102917T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1411268A1 (fr)	2002-10-17	2004-04-21	Fatzer Ag	Cable avec moyen de raccordement

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB405784A (en) *	1932-12-24	1934-02-15	Frank Preston Davies	Improvements in or relating to wire cable and wire rope attachments and the anchorage thereof
US2901822A (en) *	1955-12-15	1959-09-01	Robert B Hayden	Method of forming a harness cord end terminal
FR1197581A (fr) *	1958-03-04	1959-12-01		Jonction d'un câble métallique avec la tige creuse d'une pièce de raccord
EP0619443A1 (fr) *	1993-04-20	1994-10-12	Brugg Drahtseil AG	Pièce de jonction à l'extrémité d'un câble métallique
DE29503399U1 (de) *	1995-03-01	1995-04-20	Hubert Waltermann Eisenwarenfabrik und Gesenkschmiede GmbH. & Co., 58802 Balve	System von Gewindeterminals mit angeformten Drahtseilen
EP0672844A1 (fr) *	1994-03-17	1995-09-20	Jakob AG	Joint pour l'extrémité d'un câble métallique et procédé pour sa fabrication

1996
- 1996-03-18 ES ES96104267T patent/ES2102917T3/es not_active Expired - Lifetime
- 1996-03-18 DE DE59600004T patent/DE59600004D1/de not_active Expired - Lifetime
- 1996-03-18 EP EP96104267A patent/EP0777067B1/fr not_active Expired - Lifetime
- 1996-03-18 AT AT96104267T patent/ATE154417T1/de not_active IP Right Cessation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB405784A (en) *	1932-12-24	1934-02-15	Frank Preston Davies	Improvements in or relating to wire cable and wire rope attachments and the anchorage thereof
US2901822A (en) *	1955-12-15	1959-09-01	Robert B Hayden	Method of forming a harness cord end terminal
FR1197581A (fr) *	1958-03-04	1959-12-01		Jonction d'un câble métallique avec la tige creuse d'une pièce de raccord
EP0619443A1 (fr) *	1993-04-20	1994-10-12	Brugg Drahtseil AG	Pièce de jonction à l'extrémité d'un câble métallique
EP0672844A1 (fr) *	1994-03-17	1995-09-20	Jakob AG	Joint pour l'extrémité d'un câble métallique et procédé pour sa fabrication
DE29503399U1 (de) *	1995-03-01	1995-04-20	Hubert Waltermann Eisenwarenfabrik und Gesenkschmiede GmbH. & Co., 58802 Balve	System von Gewindeterminals mit angeformten Drahtseilen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1411268A1 (fr)	2002-10-17	2004-04-21	Fatzer Ag	Cable avec moyen de raccordement

Also Published As

Publication number	Publication date
DE59600004D1 (de)	1997-08-14
EP0777067B1 (fr)	1997-06-11
ATE154417T1 (de)	1997-06-15
ES2102917T3 (es)	1997-08-01

Publication	Publication Date	Title
CH620142A5 (fr)	1980-11-14
WO2004074697A1 (fr)	2004-09-02	Vis taraudeuse
DE3033909C2 (de)	1982-08-12	Verbindungselement
DE3706743A1 (de)	1987-09-17	Lenksaeule fuer ein fahrzeug
DE102011014519A1 (de)	2012-05-10	Lastaufnahmemittel
DE19540848A1 (de)	1997-05-28	Schraube und Verfahren zu ihrer Herstellung
WO2007121725A1 (fr)	2007-11-01	Pivot axial à utiliser, de préférence, comme composant de barre d'accouplement
DE69808495T2 (de)	2003-02-20	Betonbewehrungsfaser
EP1073809B1 (fr)	2004-01-21	Fibre pour le renfort de materiaux coulables aptes au durcissement, ainsi que procede et dispositif pour sa fabrication
EP0451798B1 (fr)	1995-09-27	Armature de béton nervurée à nervures obliques laminées à froid
EP0474910B2 (fr)	1995-06-28	Collier de serrage en croix ainsi que réseau de cables avec colliers de serrage en croix
EP0777067B1 (fr)	1997-06-11	Pièce de liaison d'extrémité de câble
DE3722062C2 (fr)	1990-02-22
DE19708029C1 (de)	1998-09-17	Verfahren zum Herstellen einer zugfesten Verbindung an einem Drahtseil durch Befestigen eines Anschlussstückes an einem Drahtseilende
EP0672844A1 (fr)	1995-09-20	Joint pour l'extrémité d'un câble métallique et procédé pour sa fabrication
EP0732526B1 (fr)	2000-09-13	Procédé de fabrication d'une liaison entre un câble toronné et une pièce d'extrémité, et pièce d'extrémité pour l'utilisation dans le procédé
CH651616A5 (en)	1985-09-30	Reinforcing bar for reinforced concrete
WO2000046460A1 (fr)	2000-08-10	Fibre de renforcement pour beton a fibres d'acier
DE1243472B (de)	1967-06-29	Flachzylindrischer, huelsenfoermiger Seilklemmrohling zur Herstellung einer Seiklemme
DE4329593C2 (de)	1997-08-21	Drahtseil mit angeformter Hülse sowie Verfahren zur Herstellung
EP0478886B1 (fr)	1996-07-03	Elément de tension
DE3903281C1 (en)	1990-05-23	Bar anchor for joining bars
CH695240A5 (de)	2006-02-15	Weblitze und Verfahren zur Herstellung einer Weblitze.
DE1264892C2 (de)	1973-02-15	Seilklemme
DE29715979U1 (de)	1997-11-27	Seil aus Metalldraht sowie Seilendverbindung mit einem solchen Seil

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EP0777067A1 - Pièce de liaison d'extrémité de câble - Google Patents

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Priority Applications (4)

Applications Claiming Priority (1)

Publications (2)

Family

ID=8222570

Family Applications (1)

Country Status (4)

Cited By (1)

Citations (6)

Patent Citations (6)

Cited By (1)

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